Date posted
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Locations
Locations
Salaries
Date posted
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Job types
Locations
- Southwark
- The City, City (EC3)
- The City, City (EC4)
- Holborn
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- Clerkenwell
- Datchet Common
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- Frimley
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32 Contract API jobs in Henley-On-Thames + 20 miles
431 exact matches jobs are outside your preferred location
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Mainframe (where relevant): z/OS, CICS, IMS, VSAM, JCL, Control-M, rehost/refactor/API enablement.
Mainframe (where relevant): z/OS, CICS, IMS, VSAM, JCL, Control-M, rehost/refactor/API enablement.
Strong background in software architecture, microservices, and API design.
Strong background in software architecture, microservices, and API design.
NEW
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Strong application security background (OWASP Top 10, API security).
Strong application security background (OWASP Top 10, API security).
NEW
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Writing automation scripts in Postman or Ready API * Experience with writing automation scripts in Postman or Ready API
Writing automation scripts in Postman or Ready API * Experience with writing automation scripts in Postman or Ready API
NEW
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Experience with Python for data extraction and API integration.
Experience with Python for data extraction and API integration.
FEATURED
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Experience in API and BDD testing
Experience in API and BDD testing
NEW
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React.js (Hooks, Context API)
React.js (Hooks, Context API)
NEW
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Design, build, and manage API integrations between HubSpot and other business-critical systems. * Hands-on experience with API integrations and working with third-party tools.
Design, build, and manage API integrations between HubSpot and other business-critical systems. * Hands-on experience with API integrations and working with third-party tools.
NEWFEATURED
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Ideal candidates will have a good background in Java and Python, along with a strong understanding of APIs (REST API, XML). * Api
Ideal candidates will have a good background in Java and Python, along with a strong understanding of APIs (REST API, XML). * Api
PREMIUM
Security Architecture Secure Design Team - Role: Manager Principal Security Architect: Secure Design (Individual Contributor) Grade: GG14 - The Security Architecture Design team is responsible for developing Security Architecture patterns, developing security controls needed for new technology, promoting the use of the architectural patterns into development projects, leading the Security Architecture Design Forum, Evaluating architectural security risks in existing systems, consulting with system development teams and architects on building security into their design. This key task of this role is accelerating the delivery of secure design artefacts and leading secure design interventions - by adding capacity and capability to the team. Reports to: Senior Manager Secure Design - Key Relationships * Business Aligned Principal Security Architects * CyberSecurity Engine
Security Architecture Secure Design Team - Role: Manager Principal Security Architect: Secure Design (Individual Contributor) Grade: GG14 - The Security Architecture Design team is responsible for developing Security Architecture patterns, developing security controls needed for new technology, promoting the use of the architectural patterns into development projects, leading the Security Architecture Design Forum, Evaluating architectural security risks in existing systems, consulting with system development teams and architects on building security into their design. This key task of this role is accelerating the delivery of secure design artefacts and leading secure design interventions - by adding capacity and capability to the team. Reports to: Senior Manager Secure Design - Key Relationships * Business Aligned Principal Security Architects * CyberSecurity Engine
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Experience creating RESTful APIs and ensuring API extensibility?
Experience creating RESTful APIs and ensuring API extensibility?
NEW
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Systems Engineer - Enterprise Technology
Systems Engineer - Enterprise Technology
Randstad Digital
EC1, City of London
£250000 - £350000 per annum
Proficiency with the administration, integration, and API capabilities of SaaS platforms such as Okta, Google Workspace, Atlassian products, and Slack. * Familiarity with authentication and provisioning methods like SAML, OIDC, SCIM, and non-standard API-based workflows.
Proficiency with the administration, integration, and API capabilities of SaaS platforms such as Okta, Google Workspace, Atlassian products, and Slack. * Familiarity with authentication and provisioning methods like SAML, OIDC, SCIM, and non-standard API-based workflows.
NEWFEATURED
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Large Language API's (from 2021) * Assisting with the maintenance and iteration of a FastAPI-based web API hosted on AWS.
Large Language API's (from 2021) * Assisting with the maintenance and iteration of a FastAPI-based web API hosted on AWS.
NEW
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Experience with AWS, Kubernetes, Service Mesh, and API Security (including authentication and authorization).
Experience with AWS, Kubernetes, Service Mesh, and API Security (including authentication and authorization).
NEW
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Global Claims, IT Solutions Leader
Global Claims, IT Solutions Leader
MARSH CORPORATE SERVICES LIMITED
The City, EC3R 5BU
Discretionary Bonus, Pension Scheme & Private Healthcare
Being a cross-functional collaborator interfacing with MMC Enterprise Technology partners, Marsh-Operations, and Transformation Office will come naturally to you building a new set of reusable IT Microservices connected via a well-defined API structure.
Being a cross-functional collaborator interfacing with MMC Enterprise Technology partners, Marsh-Operations, and Transformation Office will come naturally to you building a new set of reusable IT Microservices connected via a well-defined API structure.
NEWPREMIUM
Experience with AWS, Kubernetes, Service Mesh, API gateways, and API Security (authentication and authorization).
Experience with AWS, Kubernetes, Service Mesh, API gateways, and API Security (authentication and authorization).
NEW
Lead all phases of the testing lifecycle, focusing on comprehensive coverage across functional and non-functional testing (e.g., performance, load), encompassing Data, API, and UI layers.
Lead all phases of the testing lifecycle, focusing on comprehensive coverage across functional and non-functional testing (e.g., performance, load), encompassing Data, API, and UI layers.
PREMIUM
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Experience with API development and integration
Experience with API development and integration
NEW
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iPaaS Platform & Integration Engineer
iPaaS Platform & Integration Engineer
Informed Recruitment Limited
MK3, Milton Keynes, MK3 6EB
£50000 - £65000 per annum + Excellent Benefits
API & Web Services - REST/RESTFul, SOAP, XML, JSON
API & Web Services - REST/RESTFul, SOAP, XML, JSON
NEW
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Senior Technical Business Analyst
Senior Technical Business Analyst
REC SOLUTIONS LIMITED
The City, EC4
Competitive base salary plus bonus and benefits
Technical documentation Produce and maintain detailed technical and functional documentation, including API specifications, configuration workflows, and integration guides. * Proven ability to produce and maintain high-quality technical documentation and API specifications suitable for both engineering and client consumption.
Technical documentation Produce and maintain detailed technical and functional documentation, including API specifications, configuration workflows, and integration guides. * Proven ability to produce and maintain high-quality technical documentation and API specifications suitable for both engineering and client consumption.
NEW
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Familiarity with API Security, Container Security, AWS Cloud Security
Familiarity with API Security, Container Security, AWS Cloud Security
NEW
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We employ a micro front-end (MFE) architecture on the web, and agentic workflows with API-first services behind it, to integrate risk insights seamlessly across workflows and surfaces. * Design, develop, and operate secure, scalable APIs/microservices in Python (FastAPI) or Java (Spring Boot), following API-first principles * Experience building and consuming APIs; strong grasp of REST/gRPC and API
We employ a micro front-end (MFE) architecture on the web, and agentic workflows with API-first services behind it, to integrate risk insights seamlessly across workflows and surfaces. * Design, develop, and operate secure, scalable APIs/microservices in Python (FastAPI) or Java (Spring Boot), following API-first principles * Experience building and consuming APIs; strong grasp of REST/gRPC and API
NEW
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The Digital Engineering team is responsible for providing unified digital experience to our clients that interact with Transaction Banking products via different interfaces such as Banking as a Service API, client portal, Files and SWIFT network. * Experience with Microservice architectures and REST API * Open API Familiarity with experience in building external API using REST and Webhooks
The Digital Engineering team is responsible for providing unified digital experience to our clients that interact with Transaction Banking products via different interfaces such as Banking as a Service API, client portal, Files and SWIFT network. * Experience with Microservice architectures and REST API * Open API Familiarity with experience in building external API using REST and Webhooks
NEW
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Understanding of relational and NoSQL databases, data structures, API patterns, and service-oriented architectures
Understanding of relational and NoSQL databases, data structures, API patterns, and service-oriented architectures
NEW
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Proficient in hands-on development, coding, and API design.
Proficient in hands-on development, coding, and API design.
NEW
Related Jobs
Locations
- Southwark
- The City, City (EC3)
- The City, City (EC4)
- Holborn
- Canary Wharf
- Clerkenwell
- Datchet Common
- Euston
- Frimley
- Imberhorne
- City of London
- Reading
- South West London
- Central London
- South East London
- West End
- Southampton
- East London
- Oxford
- Northampton
- London
- Berkshire
- Hampshire
- Surrey
- Oxfordshire
- Northamptonshire
- Hertfordshire
- Buckinghamshire
- Gloucestershire
- Bedfordshire
- South East
- East Midlands
- Midlands
- South West